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通过试验分析严重事故条件下水蒸气对氢气燃烧行为的影响,分别改变初始水蒸气浓度,比较分析氢气燃烧的温度、压力、火焰传播速度和燃尽率,并且对试验结果进行对比分析,可得出以下结论:水蒸气降低了氢气燃烧峰值温度、峰值压力和火焰传播速度,并且水蒸气浓度越高,对氢气燃烧影响越大,但是对氢气燃尽率无影响。
By analyzing the influence of water vapor on hydrogen combustion under severe accident conditions, changing the initial water vapor concentration, comparing the temperature, pressure, flame propagation velocity and burnout rate of hydrogen combustion comparatively, and comparing the test results, it can be concluded The following conclusions: Water vapor reduces the hydrogen combustion peak temperature, peak pressure and flame propagation velocity, and the higher the water vapor concentration, the greater the impact on hydrogen combustion, but has no effect on the hydrogen burnout rate.